centrosymmetric
Học thuậtThân thiện
Definition
- Adjective:
- Having a symmetrical arrangement of radiating parts about a central point. This term describes a structure where identical parts extend outward from a central point in a balanced, mirror-image pattern.
Usage
- The term centrosymmetric is a technical adjective used primarily in scientific fields such as geometry, crystallography, biology, and physics. It describes the property of an object or pattern. It is typically used attributively (before a noun) or predicatively (after a linking verb like "is").
- Example (Attributive): "The centrosymmetric structure of the crystal was confirmed by X-ray diffraction."
- Example (Predicative): "The arrangement of the flower's petals is perfectly centrosymmetric."
Examples
- Adjective:
- The starfish exhibits a centrosymmetric body plan, with five arms radiating from its center.
- In a centrosymmetric molecule, if you rotate it 180 degrees around its center, it looks identical.
- The architect designed a building with a centrosymmetric floor plan, where all wings extended equally from a central atrium.
Advanced Usage
- In Crystallography: A crystal structure is described as centrosymmetric if it possesses an inversion center (a point through which every atom has an identical counterpart on the opposite side).
- The mineral's lattice is centrosymmetric, which affects its optical properties.
- In Mathematics/Geometry: A figure is centrosymmetric if it is symmetric with respect to a point (point symmetry).
- A regular hexagon is centrosymmetric, but a regular pentagon is not.
Variants and Related Words
- Centrosymmetry (noun): The property of being centrosymmetric.
- The centrosymmetry of the design creates a sense of perfect balance.
- Non-centrosymmetric (adjective): Lacking a center of symmetry.
- Quartz is a non-centrosymmetric crystal, which allows it to exhibit piezoelectricity.
Synonyms
- Radially symmetric: Symmetrical around a central axis (often used interchangeably, though radial symmetry can imply symmetry around an axis, while centrosymmetry is specifically about a point).
- Point-symmetric: Having symmetry with respect to a single point.
Antonyms
- Asymmetric: Lacking symmetry.
- Non-centrosymmetric: Not having a center of symmetry.
Adjective
- having a symmetrical arrangement of radiating parts about a central point